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This course covers undergraduate-level materials for Data Communications Systems & Networks, focusing on topics such as the OSI Model, SI and IEC Prefixes, Measuring Network Transfers, Bandwidth, Signaling and Modulation, MAC Addressing, and more. By the end of the course, students will be able to understand the fundamentals of networking, analyze network transfers, and comprehend the different layers of network communication. The course is designed for individuals interested in gaining knowledge about data communications systems and networks.